baber/WOPTO huggingface dataset:
Patent KR-20040033934-A (KR)
Title: Mosaic chuck
Inventor: JUNG HAE BIN
IPC: H01J9/24
Filed: 2002-10-16
Abstract: PURPOSE: A mosaic type chuck is provided to achieve a desired flatness without limitation of size of processing machine by assembling a plurality of part chucks. CONSTITUTION: A mosaic type chuck comprises a plurality of part chuck(1), a base plate(3), a plurality of height adjusting pins(5), and a plurality of part chuck height adjusting devices(7). The base plate is arranged at the lower part of the part chuck and supports and fixes the part chuck. The height adjusting pins are assembled to the base plate and positioned at a screw hole mounted on the base plate in such a manner that the height adjusting pins are adjusted to have the same height each other. The part chuck height adjusting devices fix the part chuck to the base plate and adjust the height and angle of the part chuck.
Patent KR-20020093678-A (KR)
Inventor: JANG JONG HYEON
IPC: A45D44/22
Filed: 2002-10-16
Abstract: PURPOSE: A method for producing a massage mask is provided, thereby a user can move or sleep during a face of the user is covered with the massage mask. CONSTITUTION: The method for producing the massage mask comprises the steps of: placing a synthetic resin film paper(20) on one side of a face shaped gauze(10); placing a plaster gauze(30), where a plaster powder is sticked on one side of the gauze, on one side of the synthetic resin film paper(20); placing a gauze(40) on one side of the plaster gauze(30); sticking the outer circumference(50); forming numerous sewing lines(60) vertically and horizontally on the gauze(40); forming eye holes(70), a nose hole(71) and a mouth hole(72); and attaching rubber ear strings(80) in both sides of the outer circumference.
Patent KR-20030033979-A (KR)
Title: Multi-gap mask, method for manufacturing same and method for manufacturing component part by using same
Inventor: KAWANISHI YOSHITAKA
IPC: H01J9/18
Filed: 2002-10-22
Abstract: PURPOSE: To form varied-height process patterns in a lump. CONSTITUTION: A solid mask 30 of this invention is fixed on a face 23 to be processed when the face 23 is processed by sandblast, and the first and the second mask patterns having different gaps 24 from the face 23 are formed. The first mask pattern comprises a plurality of metal wires 33, and the second mask pattern comprises a plurality of rectangular parallelepiped photosensitive emulsions 34. Varied-depth Processed patterns different in depth can be manufactured in a lump without increasing man-hours in polishing utilizing the viscous flow by using the solid mask 30 with the gaps 24 from the face 23 to use velocity distribution in the area of the gaps 24.
Patent KR-20040039529-A (KR)
Title: Instantaneous rapid starting type electronic ballast using a time delay module
Inventor: BAEK DONG SU
IPC: H05B41/14
Filed: 2002-11-02
Abstract: PURPOSE: An instantaneous preheating type electronic stabilizer using a time delay module is provided to enhance the efficiency of energy and lengthen a lifetime of a lamp by switching a preheating method to a non-preheating method or the non-preheating method to the preheating method. CONSTITUTION: An instantaneous preheating type electronic stabilizer using a time delay module includes a lamp connection circuit, a relay driving circuit, and a time delay circuit. The lamp connection circuit is used for switching a preheating method to a non-preheating method or the non-preheating method to the preheating method by using a relay. The relay driving circuit is used for driving the relay of the lamp connection circuit. The time delay circuit is used for controlling the relay driving circuit in order to turn on the relay at an initial state and turn off the relay at the next state.
Patent KR-20040040065-A (KR)
Title: apparatus for releasing parking brake of vehicle
Inventor: KANG DONG HUN
IPC: B60T7/10
Filed: 2002-11-06
Abstract: PURPOSE: A parking brake release device for a vehicle is provided to reduce noise and expenses, to improve the durability, and to prevent wrong operation by automatically releasing the parking brake through difference between left pressure and right pressure of the piston with supplying power of the battery to the solenoid check valve. CONSTITUTION: A parking brake release device of a vehicle comprises a battery power supply unit(110) supplying power of a battery at D or R-range of the shift lever in turning on a brake pedal switch, a parking brake pedal switch and an ignition switch; a solenoid check valve(120) generating negative pressure of the engine by regulating the inner valve according to power from the battery power supply unit; a cylinder(130); a piston(140); a release cable(150); a release lever(160) actuating in moving the piston and the release cable according to difference between left pressure and the right pressure of the piston in the cylinder through negative pressure of the engine from the solenoid check valve; and a torsion spring(170) releasing the parking brake in moving the release lever.
Patent KR-20040044240-A (KR)
Title: Repeater detecting antenna isolation using reverse link
Inventor: KIM SANG JUN
IPC: H04W88/04
Filed: 2002-11-20
Abstract: PURPOSE: A repeater for detecting an antenna isolation by using a reverse path is provided to measure an antenna isolation with a frequency conversion repeater without using a measurement equipment, and to measure the antenna isolation without an outer signal, thereby stably measuring the antenna isolation without a bad influence on a propagation environment. CONSTITUTION: The second low noise amplifier(413) low-amplifies a signal inputted through a service antenna(412). The second variable attenuator(414) controls a gain of a repeater(100). The third frequency converter(415) converts an input frequency into an IF. The second local oscillator(423) is used for the third frequency converter(415). The second SAW(Surface Acoustic Wave) filter(416) suppresses signals except an IF band. The fourth frequency converter(417) converts the IF into an output frequency. The first local oscillator(422) is used for the fourth frequency converter(417). A microprocessor(419) determines frequencies of the first local oscillator(422) and the second local oscillator(423), and controls on/off operations of DC lines of a forward path(110) and a reverse path(120). The second high power amplifier(418) finally amplifies the converted frequency, and outputs the amplified frequency. The second output detector(402) detects strength of a signal outputted to a link antenna(401).
Patent KR-20040046156-A (KR)
Title: Network Job Queue System
Inventor: KIM JIN SUK
IPC: G06F9/46
Filed: 2002-11-26
Abstract: PURPOSE: A system for queuing a network task is provided to enhance the efficiency of each task and to properly utilize a feature of the task in a parallel computing environment using the distributed processing systems. CONSTITUTION: The system comprises many queues and a dispatcher. When the network task queue receives the task, it allots the task to each queue through the dispatcher(2). The tasks allotted to the queues are distributed to each computers on a predetermined time. After the task is performed in each computer, a result of the task is checked by transferring it to the network task queue again(4).
Patent KR-20040054096-A (KR)
Inventor: CHOI SEUNG CHEOL
IPC: C23C16/458
Filed: 2002-12-17
Abstract: PURPOSE: A CVD(Chemical Vapor Deposition) apparatus and a method are provided to be capable of preventing the thickness of a wafer from being thickened due to the concentration of process gas at the edge portion of the wafer. CONSTITUTION: A CVD apparatus is provided with a process chamber(5) for carrying out a depositing process on a wafer(1), a supply nozzle(7) installed at the upper portion of the process chamber, a control valve(8) installed at the supply nozzle for controlling the flow rate of process gas, and a vacuum pump(9) installed at the lower portion of the process chamber for controlling the degree of exhaust. The CVD apparatus further includes a support pedestal(3) installed in the process chamber for loading the wafer, a cylinder or motor(10) connected with the support pedestal for moving the support pedestal up and down, and a controller(11) connected with the motor and the control valve for moving the support pedestal up and down per each process time.
Patent KR-20040057509-A (KR)
Title: Method for fabrication of semiconductor device with decreased contact resistance
Inventor: LEE MIN SEOK
IPC: H01L21/8242
Filed: 2002-12-26
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to be capable of minimizing the contact resistance by enhancing the contact area. CONSTITUTION: A first insulating layer(46) is formed on a semiconductor substrate(40) with conductive patterns(43). A plug(49) is formed to contact the substrate through the first insulating layer, wherein the upper part of the plug is protrudent. A second insulating layer(50) is formed on the resultant structure. An opening part is formed to expose the protrudent plug by selectively etching the second insulating layer. A contact pad(53) is formed to contact the protrudent plug.
Patent KR-20040059609-A (KR)
Inventor: CHO YU SEONG
IPC: A23B7/10
Filed: 2002-12-27
Abstract: PURPOSE: A kimchi refrigerator in which a refrigerator body is divided into two spaces such as a space for storing a food product for a long period time and a space for storing a food product which is often used is provided. It reduces leakage of cold air generated from a cooler and thus has an effect of improving cooling efficiency. CONSTITUTION: The kimchi refrigerator comprises: a body(11) comprising a foaming material(22) between an outer case(21) and an inner case(23) formed by an opened storage chamber on one side, a cooler for generating cold air and an aging heater for generating the aging temperature necessary for aging kimchi; a storage chamber door(15) hinge-connected to the upper side face of the body to open and close the storage chamber of the body; one or more front receiving chambers(50) on front face of the body; and a door basket(51) formed within the front receiving chamber to receive food. The cooler is attached to the peripheral surface of the front receiving chamber.
Patent KR-20040061595-A (KR)
Title: Liquid crystal display device and method for manufacturing the same
Inventor: BANG SEONG GWON
IPC: G02F1/136
Filed: 2002-12-31
Abstract: PURPOSE: An LCD(liquid crystal display) and a method for fabricating the LCD are provided to reduce the number of masks used for manufacturing the LCD. CONSTITUTION: An LCD includes a plurality of gate lines and data lines(46a,46b), thin film transistors, a gate pad part, and pixel electrodes(54). The gate lines and data lines are arranged on a substrate(41) in an intersecting manner to define pixel regions. The thin film transistors are respectively formed at the intersections of the gate lines and data lines. Each of the thin film transistors includes a gate electrode(53a), a gate insulating layer(47), an active layer(42a), source and drain electrodes. The gate pad part is extended from the gate lines, has a contact hole exposing the substrate and includes a gate pad electrode in contact with the contact hole. The pixel electrodes are formed at the pixel regions, respectively.
Patent KR-20040061860-A (KR)
Title: Tecsp
Inventor: LEE GU HONG
IPC: H01L23/36
Filed: 2002-12-31
Abstract: PURPOSE: A TECSP(Thermal Enhanced Chip Scale Package) is provided to increase a surface area of a heat spreader by forming a projected pattern on an inner wall of the heat spreader. CONSTITUTION: A TECSP includes a substrate, the first heat spreader, a semiconductor chip, a bonding wire, a sealant, the second heat spreader, and a conductive ball. A circuit pattern(112) and a ball land are adhered on both sides of the substrate(114), respectively. The first heat spreader(130) is adhered on one side of the substrate. The semiconductor chip(110) is adhered on the first heat spreader. The semiconductor chip includes a plurality of bonding pads. The bonding wire(115) is used for connecting the bonding pad to the circuit pattern. The sealant is formed on the substrate to cover the semiconductor chip and the bonding wire. The second heat spreader(132) is formed on the sealant. The conductive ball(118) is adhered on the ball land.
Patent KR-20020016919-A (KR)
Title: Solvent-free, Room Temperature Curing Reactive Systems and the Use Thereof in the Production of Adhesives, Sealing Agents, Casting Compounds, Molded Articles or Coatings
IPC: C08G59/50
Filed: 2000-07-17
Abstract: The present invention relates to novel solventless reactive systems curable at room temperature, based on blocked polyisocyanates, primary amines, compounds with oxirane groups, and 2,3-dimethyl-3,4,5,6-tetrahydropyrimidine, and to processes for the preparation of these solventless reactive systems curable at room temperature.
Patent KR-20020032541-A (KR)
Title: 무선통신 네트워크에서 기지국들을 추적하는 시스템
IPC: H04W36/08
Filed: 2000-07-27
Abstract: 하나 이상의 이동국들 (6) 을 서비스하는 복수의 기지국들 (4) 을 갖는 무선통신 네트워크가 개시된다.     이동국 (6) 이 제 1 기지국 (4) 의 셀로부터 제 2 인접기지국 (4) 의 셀로 이동할 때, 각 기지국 (4) 은 다른 인접기지국들 (4) 의 기록을 유지하여, 인접기지국들 (4) 사이의 "핸드오프"를 지지한다.     이동국들 (6) 이 기지국들 (4) 에 다른 기지국들 (4) 로부터의 파일롯신호들의 획득을 나타내는 기록들을 전송한다.     기지국들 (4) 는 다른 이동국들 (6) 로부터의 기록들에 기초하여 다른 인접기지국들 (4) 의 기록들을 유지하고 업데이트시킨다.
Patent KR-20020032570-A (KR)
Title: Current sampling circuit for organic electroluminescent display
IPC: G09G3/32
Filed: 2001-07-09
Abstract: A driver circuit operating in stages that comprise a programming stage and a reproduction stage, the circuit comprising: a plurality current paths each of which passes through the circuit, a current driven element, a transistor connected so as operatively to control the current supplied to the said element, a capacitor connected for storing an operating voltage of the transistor during the programming stage, and switching means which control the current paths, the arrangement being such that one of the current paths does not include the said element. No current is applied to the current driven element by the current controlling transistor during the programming stage and thus the overall power consumption is reduced. Furthermore, the circuit can be operated from a normal supply voltage rather than requiring a high bias voltage. During the programming stage, the circuit uses a current sink rather than a current source. Preferably, the current driven element is an electroluminescent element. <IMAGE>
Patent KR-20020040878-A (KR)
Title: 펄프 몰드 용기
IPC: B65D1/02
Filed: 2000-10-02
Abstract: 본 발명은 펄프 몰드 성형체(2)의 내면 및/또는 외면에 도포액의 도포에 의해 형성된 두께 5∼300㎛인 수지층(3)을 가지고, 수지층(3)의 두께와 성형체(2)의 두께와의 비(전자/후자)가 1/2∼1/100이며, 펄프 몰드 성형체(2)의 외면 또는 내면의 표면 윤곽 형상에 대한 중심선 평균 거칠기(Ra)가 0.5∼20㎛인 펄프 몰드 용기(1)를 제공한다.
Patent KR-20020060750-A (KR)
IPC: A61F13/49
Filed: 2000-11-17
Abstract: 본 발명자들은 탄성 스트랜드의 강도 특성이 스트랜드를 가열시켰을 때 개선된다는 것을 알아냈다.  따라서, 본 발명은 스트랜드를 가열함으로써 탄성 스트랜드의 강도 특성을 개선시키는 것에 관한 것이다.  스트랜드는 열 전도 및(또는) 대류에 의해, 예를 들면 적외선 또는 마이크로파선을 사용하는 조사 방법에 의해, 또는 이들 중 몇몇을 병행하여 가열될 수 있다.  탄성 스트랜드가 원료로 사용되는 위치와는 다른 위치에서 탄성 스트랜드가 제조되는 경우, 스트랜드는 이들 중 어느 한 위치에서 또는 두 위치에서 모두 가열될 수 있다.  또한, 스트랜드는 인라인, 즉 스트랜드를 제조하는 방법 또는 스트랜드를 원료로 사용하는 방법의 일부로서, 또는 오프라인, 즉 상기한 어느 한 방법과는 별개의 단계로 가열될 수 있다.  최종적으로, 스트랜드의 열 처리 외에, 물 또는 수증기에 대한 스트랜드의 노출은 강도 열화를 감소시키거나 또는 없애도록 조절될 수 있다.
Patent KR-20030031878-A (KR)
IPC: G01N33/543
Filed: 2000-11-20
Abstract: 본 발명은 크로마토그래피 면역 분석 방법에 의해 임의적으로 체내에서, 임의적으로 예비결정되고 제어된, 적은 부피를 분석하기 위한 시험 장치 및 방법에 관한 것이다. 전술한 장치의 구성품 일부에서 부피 제어 및 소량의 크기를 사용함으로써 체내 분석에서 비침투적으로 수행될 수 있는데, 예를 들어 눈물 방울, 분비물, 땀 및 자연적 또는 자발적 분비액 등이 있다. 본 발명의 시험 장치는 100 ㎕ 미만의 부피를 가진 시료를 분석할 수 있다. 또한 결과의 정량 분석을 위하여 분석 부피를 조정할 수 있다. 생물 시료에서 다양한 특정 성분을 체내에서 검출할 수 있는데 이러한 점에서 이 시험장치는 유용하다. 또한 본 발명은 분석 키트로 된 전술된 시험 장치의 사용과도 관련이 있다.
Patent KR-20020059816-A (KR)
IPC: H01J29/76
Filed: 2001-09-17
Abstract: 개선된 편향 유닛(11)을 갖는 음극선관(1)이 기재된다. 편향 유닛(11)은 라인 및/또는 프레임 코일을 포함하고, 상기 라인 및/또는 프레임 코일은 전도성 코팅을 갖는 배선과, 비전도성 코팅을 갖는 배선의 합성물을 포함한다. 그러한 편향 유닛은 양호한 링잉 방지 성능을 갖는 한편, 비전도성 코팅 배선의 양호한 접착 특성이 유지된다.
Patent KR-20020073154-A (KR)
Title: 선택적 올레핀 올리고머화
IPC: B01J31/10
Filed: 2001-01-08
Abstract: 본 발명은 삼차 부틸 알코올 변형제 및 저급 알칸 희석제를 사용한 이소부틸렌의 이합체화에 의하여 반응기 (5)에서 생산된 이소옥탄이 풍부한 가솔린 블렌딩 분류물에 관한 것이다.   편리하게도, 상기 이소부틸렌은 탈수 지역 (2)에서 탈수 삼차 부틸 알코올에 의하여 생산된다.
Patent KR-20020071001-A (KR)
Title: Optical scanning device
IPC: G11B7/13
Filed: 2001-10-16
Abstract: An optical scanning device incorporating a compound objective lens 10 and a radiation detector 31 is described for reading an optical record carrier 1 in which the optical record carrier 1 is provided with a transparent layer 2 . The thickness of the transparent layer 2 and the effective radius of the detector 31 are adapted such that the signal-to-noise ratio of the device is significantly improved and/or local heating of an air gap below an air slider is reduced. The optical record carrier is provided with a lubricant to facilitate the use of a slider optical head 40.
Patent KR-20020070351-A (KR)
Title: 무수 포름산을 생성시키는 방법
Inventor: AUER HEINZ
IPC: C07C51/48
Filed: 2001-01-12
Abstract: 본 발명은 먼저 메탄올을 미리 감소시킨 메틸 포르메이트의 가수분해에 의해 함수 포름산을 발생시키는 것을 포함하는 무수 또는 실질적으로 무수 포름산을 생성시키는 방법에 관한 것이다.  상기 방법은 메틸 포르메이트의 가수분해 이전에 증류 칼럼 내에서 메탄올 함유 메틸 포르메이트의 메탄올을 감소시키고, 상기 칼럼이 포름산의 워크 업에서 다른 추가의 분리 기능에 동시에 사용되는 것을 특징으로 한다.
Patent KR-20030024689-A (KR)
Title: Invisible connector for jewelry strand
IPC: A44C5/20
Filed: 2001-06-07
Abstract: A loop-typed pierced earring has a pivotally mounted ear post that spans the gap in the ring and moves in an arc transverse to the plane of the ring from an open position, to permit insertion through the ear lobe, to a locked position with the ear post free end held in a locking detent in the other end of the ring body. Movement of the ear post end into the locking detent forces a slight inward deflection of the resilient end post, after which the end springs into engagement with a locking recess. Attachment of the earring is simple and direct and requires no visual alignment by the wearer.
Patent KR-20030034091-A (KR)
IPC: A01N47/38
Filed: 2001-06-18
Abstract: 본 발명은 첫째로 아릴설포닐아미노카보닐트리아졸리논 및 둘째로 제초 활성 화합물 및/또는 명세서에 개재된 독성완화제를 함유하며 사용시 유용한 각종 작물중에서 잡초를 선택적으로 방제하는데 특히 우수한 결과를 나타낼 수 있는 신규한 상승적 제초 활성 배합물에 관한 것이다.
Patent KR-20030013459-A (KR)
IPC: H04N7/173
Filed: 2002-04-11
Abstract: 텔레비전 세트(105)에 결합된 디지털 케이블 셋-탑 박스(150)에 사용하기 위해, 디지털 케이블 셋-탑 박스와 연관된 전개 포인트(POD) 호스트 인터페이스(200) 내에 삽입하기 위한 제거가능 회로 장치(400)가 기재된다. 그 제거가능 회로 장치는: 1) POD 호스트 인터페이스(200)와 메이팅(mate)하기 위한 전개 포인트(POD) 모듈 인터페이스(260, 265, 270)와, 2) 들어오는 기저대역 신호를 디지털 케이블 셋-탑 박스로부터 수신하기 위한 POD 모듈 인터페이스에 결합된 RF 송수신기(450)를 포함하고, 기저대역 신호를 나가는 RF 신호로 업컨버팅(upconverting)하고, 나가는 RF 신호를 그 디지털 케이블 셋-탑 박스에 가까운 적어도 하나의 무선 통신 디바이스로 무선으로 전송한다. 그 RF 송수신기는 또한 들어오는 RF 신호를 적어도 하나의 무선 통신 디바이스로부터 무선으로 수신하고, 들어오는 RF 신호를 나가는 기저대역 신호에 다운컨버팅하고, 나가는 기저 대역 신호를 디지털 케이블 셋-탑 박스에 송신한다.
Patent KR-20030010755-A (KR)
IPC: B32B27/32
Filed: 2001-06-22
Abstract: 본 발명은 최소 하나의 플루오로중합체 단일중합체 혹은 공중합체 층, 고리올레핀 단일중합체 혹은 공중합체의 층 및 중간 접착층을 갖는 공압출된 혹은 라미네이트된 필름을 제공한다. 이러한 필름은 고수분 차단성을 가지며 실질적으로 투명하다.
Patent KR-20040066273-A (KR)
Inventor: CHO SEONG GEUN
IPC: G09G3/10
Filed: 2003-01-17
Abstract: PURPOSE: A field emission display and a driving apparatus thereof are provided to prevent damage of a system due to a rapid current increase on a grid electrode by maintaining a constant current on the grid electrode. CONSTITUTION: First and second substrates(1,2) are arranged in facing to each other at constant intervals. A plurality of gate electrodes(10) are formed on a surface opposite to the first substrate in one direction. A plurality of anode electrodes(50) are formed on a surface opposite to the second substrate and crossed with the gate electrode. An electron discharge source(40) is formed on the gate electrode. A plurality of cathode electrodes(30) are insulated to and crossed with the gate electrode. A grid electrode(70) is formed between the first and second substrates and controls an electron discharged from the electron discharge source(40) to be flowed into the anode electrode. A driver detects a current flowing on the grid electrode and controls a driving voltage applied to the grid electrode according to the amount of the detected current to maintain a set value of the current flowing on the grid electrode.
Patent KR-20040067091-A (KR)
Inventor: HWANG JEONG HWAN
IPC: G06K9/00
Filed: 2003-01-21
Abstract: PURPOSE: A device and a method for opening/closing a door using a fingerprint reader of a PDA(Personal Digital Assistant) are provided to control the opening/closing the door by confirming the identification of a user through the fingerprint reader embedded into the PDA and transmitting a door opening/closing signal to a door opening/closing device. CONSTITUTION: The fingerprint reader(11) detects a fingerprint of a user. A fingerprint processor(12) generates fingerprint information by coding a signal read from the fingerprint reader. A user registration judger(13) judges the opening/closing of the door by comparing the generated fingerprint information with the registered fingerprint. An IrDA(Infrared Data Association) transmitter driver(14) drives an IrDA transmitter(15) for transmitting an infrared signal including a judgment result to the outside. The door opening/closing device(20) comprises an IrDA receiver(21) and a door opening/closing judger(22) controlling a door opening/closing unit(24) by outputting a door opening/closing driving signal to a door opening/closing driver(23).
Patent KR-20040067645-A (KR)
Title: Ice maker
Inventor: CHO GIL HYEONG
IPC: F25C1/24
Filed: 2003-01-24
Abstract: PURPOSE: An ice maker is provided to exactly separate ice by pushing the side of the ice put in an ice-making unit with an ice-separating unit of an ice-separating lever when a lever unit of the ice-separating lever is hung to a hanging member and moved. CONSTITUTION: An ice maker is composed of a pair of pulleys(10a,10b) separated from each other; a driving unit for rotating the pulleys; an ice-making conveyor(30) arranged with a plurality of ice-making units(31a) formed concavely to contain water and wound around the pulleys; an ice-separating lever(50) movably hinge-combined to the ice-making unit to separate the ice from the ice-making unit; and a hanging member(60) for moving the ice-separating lever. The ice-separating lever comprises an ice-separating unit extended into the ice-making unit and supported to the side of the ice and a lever unit protruded outside the ice-making unit and hung to the hanging member.
Patent KR-20040069754-A (KR)
Inventor: KIM DEOK HWAN
IPC: C01F11/24
Filed: 2003-01-30
Abstract: PURPOSE: A simple preparation method of liquid calcium chloride(CaCl2) with high purity is provided to shorten processing time and enable mass production by spraying HCl for supplying HCl and removing CO2 bubbles during the process. CONSTITUTION: The liquid CaCl2 is prepared by the following steps of: dissolving washed and ground shells into HCl(18-20w/v%) by spraying HCl over shells to get a CaCl2 solution(A); adding CaO or CaCO3 until the pH of mixed solution is 5.5-7.0; adding KMnO4 to a neutralized CaCl2 solution(B) for the first purification, wherein KMnO4 as an oxidant removes shell impurities such as Fe, Mn, Mg, Al, etc.; adding H2O2 decomposing impurities and activated carbon adsorbing and deodorizing organics to a purified CaCl2 solution(C) for the second purification; filtering a mixed CaCl2 solution(D) purified through a two-step purification.
Patent KR-20040076720-A (KR)
Inventor: HWANG GWANG HUI
IPC: G02F1/1345
Filed: 2003-02-26
Abstract: PURPOSE: An LCD device is provided to electrically connect one of dummy gate lines and other gate lines via dummy lines formed along a non-display area of other side portion faced with one side portion where gate drive ICs are connected. CONSTITUTION: An LCD panel(66) consists of a display area including liquid crystal cells formed in every area defined by crossing gate lines with data lines, and a non-display area covering an outer wall of the display area. Dummy gate lines(GL0) are formed in the display area to form storage capacitors of the liquid crystal cells included in a horizontal line adjacent to the non-display area. Dummy lines(70) are formed in the non-display area to connect one of the gate lines with the dummy gate lines(GL0).